<?php
/**
 * Copyright (c) Enalean, 2018. All Rights Reserved.
 *
 * This file is a part of Tuleap.
 *
 * Tuleap is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * Tuleap is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Tuleap. If not, see <http://www.gnu.org/licenses/>.
 *
 */

namespace Tuleap\Svn\Logs;

use UserManager;

class DBWriterUserCache
{
    /**
     * @var UserManager
     */
    private $user_manager;
    private $users_cache = array();

    public function __construct(UserManager $user_manager)
    {
        $this->user_manager = $user_manager;
    }

    public function getUserId($user_name)
    {
        if (! isset($this->users_cache[$user_name])) {
            $this->users_cache[$user_name] = 0;
            $user = $this->user_manager->findUser($user_name);
            if ($user !== null) {
                $this->users_cache[$user_name] = $user->getId();
            }
        }
        return $this->users_cache[$user_name];
    }
}
